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Diffstat (limited to 'sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin')
11 files changed, 2403 insertions, 0 deletions
diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointDescription.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointDescription.java new file mode 100644 index 0000000000..c83a79337f --- /dev/null +++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointDescription.java @@ -0,0 +1,540 @@ +/* + * Copyright (c) OSGi Alliance (2008, 2009). All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.osgi.service.remoteserviceadmin; + +import static org.osgi.service.remoteserviceadmin.RemoteConstants.ENDPOINT_FRAMEWORK_UUID; +import static org.osgi.service.remoteserviceadmin.RemoteConstants.ENDPOINT_ID; +import static org.osgi.service.remoteserviceadmin.RemoteConstants.ENDPOINT_INTERACE_VERSION_; +import static org.osgi.service.remoteserviceadmin.RemoteConstants.ENDPOINT_URI; +import static org.osgi.service.remoteserviceadmin.RemoteConstants.SERVICE_IMPORTED_CONFIGS; +import static org.osgi.service.remoteserviceadmin.RemoteConstants.SERVICE_INTENTS; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.Collections; +import java.util.Dictionary; +import java.util.Enumeration; +import java.util.Iterator; +import java.util.List; +import java.util.Map; +import java.util.TreeMap; + +import org.osgi.framework.Constants; +import org.osgi.framework.Filter; +import org.osgi.framework.FrameworkUtil; +import org.osgi.framework.InvalidSyntaxException; +import org.osgi.framework.ServiceReference; +import org.osgi.framework.Version; + +/** + * A description of an endpoint that provides sufficient information for a + * compatible distribution provider to create a connection to this endpoint + * + * An Endpoint Description is easy to transfer between different systems. This + * allows it to be used as a communications device to convey available endpoint + * information to nodes in a network. + * + * An Endpoint Description reflects the perspective of an importer. That is, the + * property keys have been chosen to match filters that are created by client + * bundles that need a service. Therefore the map must not contain any + * service.exported.* property and must contain the service.imported.* ones. + * + * The service.intents property contains the intents provided by the service + * itself combined with the intents added by the exporting distribution + * provider. Qualified intents appear expanded on this property. + * + * @Immutable + * @version $Revision$ + */ + +public class EndpointDescription { + private final Map<String, Object> properties; + private final List<String> interfaces; + private final long remoteServiceId; + private final String remoteFrameworkUUID; + private final String remoteUri; + + /** + * Create an Endpoint Description based on a Map. + * + * @param properties The map to create the Endpoint Description from. + * @throws IllegalArgumentException When the properties are not proper for + * an Endpoint Description + */ + + public EndpointDescription(Map<String, Object> properties) { + this(properties, null); + if (properties == null) { + throw new NullPointerException("properties must not be null"); + } + } + + /** + * Create an Endpoint Description based on a reference and optionally a map + * of additional properties. The properties on the original service take + * precedence over the ones in the map. + * + * @param reference A service reference that can be exported + * @param properties Additional properties to add. Can be <code>null</code>. + * @throws IllegalArgumentException When the properties are not proper for + * an Endpoint Description + */ + public EndpointDescription(ServiceReference reference, + Map<String, Object> properties) { + this(properties, reference); + if (reference == null) { + throw new NullPointerException("reference must not be null"); + } + } + + private EndpointDescription(Map<String, Object> map, + ServiceReference reference) { + Map<String, Object> props = new TreeMap<String, Object>( + String.CASE_INSENSITIVE_ORDER); + + if (map != null) { + try { + props.putAll(map); + } + catch (ClassCastException e) { + IllegalArgumentException iae = new IllegalArgumentException( + "non-String key in properties"); + iae.initCause(e); + throw iae; + } + if (props.size() < map.size()) { + throw new IllegalArgumentException( + "duplicate keys with different cases in properties"); + } + } + + if (reference != null) { + for (String key : reference.getPropertyKeys()) { + if (!props.containsKey(key)) { + props.put(key, reference.getProperty(key)); + } + } + } + + properties = Collections.unmodifiableMap(props); + /* properties must be initialized before calling the following methods */ + interfaces = verifyObjectClassProperty(); + remoteServiceId = verifyLongProperty(ENDPOINT_ID); + remoteFrameworkUUID = verifyStringProperty(ENDPOINT_FRAMEWORK_UUID); + remoteUri = verifyStringProperty(ENDPOINT_URI); + } + + /** + * Verify and obtain the interface list from the properties. + * + * @return A list with the interface names. + * @throws IllegalArgumentException When the properties do not contain the + * right values for and interface list. + * + */ + private List<String> verifyObjectClassProperty() { + Object o = properties.get(Constants.OBJECTCLASS); + if (o == null) { + return Collections.EMPTY_LIST; + } + if (!(o instanceof String[])) { + throw new IllegalArgumentException( + "objectClass must be of type String[]"); + } + String[] objectClass = (String[]) o; + for (String interf : objectClass) { + try { + getInterfaceVersion(interf); + } + catch (IllegalArgumentException e) { + IllegalArgumentException iae = new IllegalArgumentException( + "Improper version for interface " + interf); + iae.initCause(e); + throw iae; + } + } + return Collections.unmodifiableList(Arrays.asList(objectClass)); + } + + /** + * Verify and obtain a required String property. + * + * @param propName The name of the property + * @return The value of the property. + * @throws IllegalArgumentException when the property is not set or doesn't + * have the correct data type. + */ + private String verifyStringProperty(String propName) { + Object r = properties.get(propName); + if (r == null) { + throw new IllegalArgumentException("Required property not set: " + + propName); + } + if (!(r instanceof String)) { + throw new IllegalArgumentException( + "Required property is not a String: " + propName); + } + return (String) r; + } + + /** + * Verify and obtain a required long property. + * + * @param propName The name of the property + * @return The value of the property. + * @throws IllegalArgumentException when the property is not set or doesn't + * have the correct data type. + */ + private long verifyLongProperty(String propName) { + Object r = properties.get(propName); + if (r == null) { + throw new IllegalArgumentException("Required property not set: " + + propName); + } + if (!(r instanceof String)) { + throw new IllegalArgumentException( + "Required property is not a string: " + propName); + } + try { + return Long.parseLong((String) r); + } + catch (NumberFormatException e) { + IllegalArgumentException iae = new IllegalArgumentException( + "Required property cannot be parsed as a long: " + propName); + iae.initCause(e); + throw iae; + } + } + + /** + * Returns the endpoint's URI. + * + * The URI is an opaque id for an endpoint in URI form. No two different + * endpoints must have the same URI, two Endpoint Descriptions with the same + * URI must represent the same endpoint. + * + * The value of the URI is stored in the + * {@link RemoteConstants#ENDPOINT_URI} property. + * + * @return The URI of the endpoint, never <code>null</code>. + */ + public String getRemoteURI() { + return remoteUri; + } + + /** + * Provide the list of interfaces implemented by the exported service. + * + * If this Endpoint Description does not map to a service, then this List + * must be empty. + * + * The value of the interfaces is derived from the <code>objectClass</code> + * property. + * + * @return The read only list of Java interface names accessible by this + * endpoint. + */ + public List<String> getInterfaces() { + return interfaces; + } + + /** + * Provide the version of the given interface. + * + * The version is encoded by prefixing the given interface name with + * <code>endpoint.interface.version.</code>, and then using this as an + * endpoint property key. For example: + * + * <pre> + * endpoint.interface.version.com.acme.Foo + * </pre> + * + * The value of this property is in String format and will be converted to a + * <code>Version</code> object by this method. + * + * @param name The name of the interface for which a version is requested. + * @return The version of the given interface or <code>null</code> if the + * interface has no version in this Endpoint Description. + * @throws IllegalArgumentException If the version property value is not + * String. + */ + public Version getInterfaceVersion(String name) { + String key = ENDPOINT_INTERACE_VERSION_ + name; + Object version = properties.get(key); + // [rfeng] Check for existence of the property + if (version == null) { + return null; + } + // [rfeng] + if (!(version instanceof String)) { + throw new IllegalArgumentException(key + + " property is not a String"); + } + return Version.parseVersion((String) version); + } + + /** + * Returns the service id for the service exported through this endpoint. + * + * This is the service id under which the framework has registered the + * service. This field together with the Framework UUID is a globally unique + * id for a service. + * + * The value of the remote service id is stored in the + * {@link RemoteConstants#ENDPOINT_ID} endpoint property. + * + * @return Service id of a service or 0 if this Endpoint Description does + * not relate to an OSGi service + * + */ + public long getRemoteServiceID() { + return remoteServiceId; + } + + /** + * Returns the configuration types. + * + * A distribution provider exports a service with an endpoint. This endpoint + * uses some kind of communications protocol with a set of configuration + * parameters. There are many different types but each endpoint is + * configured by only one configuration type. However, a distribution + * provider can be aware of different configuration types and provide + * synonyms to increase the change a receiving distribution provider can + * create a connection to this endpoint. + * + * This value of the configuration types is stored in the + * {@link RemoteConstants#SERVICE_IMPORTED_CONFIGS} service property. + * + * @return An unmodifiable list of the configuration types used for the + * associated endpoint and optionally synonyms. + */ + public List<String> getConfigurationTypes() { + return getStringPlusProperty(SERVICE_IMPORTED_CONFIGS); + } + + /** + * Return the list of intents implemented by this endpoint. + * + * The intents are based on the service.intents on an imported service, + * except for any intents that are additionally provided by the importing + * distribution provider. All qualified intents must have been expanded. + * + * This value of the intents is stored in the + * {@link RemoteConstants#SERVICE_INTENTS} service property. + * + * @return An unmodifiable list of expanded intents that are provided by + * this endpoint. + */ + public List<String> getIntents() { + return getStringPlusProperty(SERVICE_INTENTS); + } + + /** + * Reads a 'String+' property from the properties map, which may be of type + * String, String[] or Collection<String> and returns it as an unmodifiable + * List. + * + * @param key The property + * @return An unmodifiable list + */ + private List<String> getStringPlusProperty(String key) { + Object value = properties.get(key); + if (value == null) { + return Collections.EMPTY_LIST; + } + + if (value instanceof String) { + return Collections.singletonList((String) value); + } + + if (value instanceof String[]) { + String[] values = (String[]) value; + List<String> result = new ArrayList<String>(values.length); + for (String v : values) { + if (v != null) { + result.add(v); + } + } + return Collections.unmodifiableList(result); + } + + if (value instanceof Collection< ? >) { + Collection< ? > values = (Collection< ? >) value; + List<String> result = new ArrayList<String>(values.size()); + for (Iterator< ? > iter = values.iterator(); iter.hasNext();) { + Object v = iter.next(); + if ((v != null) && (v instanceof String)) { + result.add((String) v); + } + } + return Collections.unmodifiableList(result); + } + + return Collections.EMPTY_LIST; + } + + /** + * Return the framework UUID for the remote service, if present. + * + * The value of the remote framework uuid is stored in the + * {@link RemoteConstants#ENDPOINT_FRAMEWORK_UUID} endpoint property. + * + * @return Remote Framework UUID, or null if this endpoint is not associated + * with an OSGi service + */ + public String getRemoteFrameworkUUID() { + return remoteFrameworkUUID; + } + + /** + * Returns all endpoint properties. + * + * @return An unmodifiable map referring to the properties of this Endpoint + * Description. + */ + public Map<String, Object> getProperties() { + return properties; + } + + /** + * Answers if this Endpoint Description refers to the same service instance + * as the given Endpoint Description. + * + * Two Endpoint Descriptions point to the same service if they have the same + * URI or their framework UUIDs and remote service ids are equal. + * + * @param other The Endpoint Description to look at + * @return True if this endpoint description points to the same service as + * the other + */ + public boolean isSameService(EndpointDescription other) { + if (this.equals(other)) { + return true; + } + + if (getRemoteFrameworkUUID() == null) { + return false; + } + + return (this.getRemoteServiceID() == other.getRemoteServiceID()) + && this.getRemoteFrameworkUUID().equals( + other.getRemoteFrameworkUUID()); + } + + /** + * Returns a hash code value for the object. + * + * @return An integer which is a hash code value for this object. + */ + public int hashCode() { + return getRemoteURI().hashCode(); + } + + /** + * Compares this <code>EndpointDescription</code> object to another object. + * + * <p> + * An Endpoint Description is considered to be <b>equal to</b> another + * Endpoint Description if their URIs are equal. + * + * @param other The <code>EndpointDescription</code> object to be compared. + * @return <code>true</code> if <code>object</code> is a + * <code>EndpointDescription</code> and is equal to this object; + * <code>false</code> otherwise. + */ + public boolean equals(Object other) { + if (this == other) { + return true; + } + if (!(other instanceof EndpointDescription)) { + return false; + } + return getRemoteURI().equals( + ((EndpointDescription) other).getRemoteURI()); + } + + /** + * Tests the properties of this <code>EndpointDescription</code> against the + * given filter using a case insensitive match. + * + * @param filter The filter to test. + * @return <code>true</code> If the properties of this + * <code>EndpointDescription</code> match the filter, + * <code>false</code> otherwise. + * @throws IllegalArgumentException If <code>filter</code> contains an + * invalid filter string that cannot be parsed. + */ + public boolean matches(String filter) { + Filter f; + try { + f = FrameworkUtil.createFilter(filter); + } + catch (InvalidSyntaxException e) { + IllegalArgumentException iae = new IllegalArgumentException(e + .getMessage()); + iae.initCause(e); + throw iae; + } + Dictionary<String, Object> d = new UnmodifiableDictionary<String, Object>( + properties); + /* + * we can use matchCase here since properties already supports case + * insensitive key lookup. + */ + return f.matchCase(d); + } + + /** + * Unmodifiable wrapper for Dictionary. + */ + private static class UnmodifiableDictionary<K, V> extends Dictionary<K, V> { + private final Map<K, V> wrapped; + + UnmodifiableDictionary(Map<K, V> wrapped) { + this.wrapped = wrapped; + } + + public Enumeration<V> elements() { + return Collections.enumeration(wrapped.values()); + } + + public V get(Object key) { + return wrapped.get(key); + } + + public boolean isEmpty() { + return wrapped.isEmpty(); + } + + public Enumeration<K> keys() { + return Collections.enumeration(wrapped.keySet()); + } + + public V put(K key, V value) { + throw new UnsupportedOperationException(); + } + + public V remove(Object key) { + throw new UnsupportedOperationException(); + } + + public int size() { + return wrapped.size(); + } + } +} diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointListener.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointListener.java new file mode 100644 index 0000000000..9a56c53f4f --- /dev/null +++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointListener.java @@ -0,0 +1,126 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.osgi.service.remoteserviceadmin; + +/** + * A white board service that represents a listener for endpoints. + * + * An Endpoint Listener represents a participant in the distributed model that + * is interested in Endpoint Descriptions. + * + * This white board service can be used in many different scenarios. However, + * the primary use case is to allow a remote manager to be informed of End Point + * Descriptions available in the network and inform the network about available + * End Point Descriptions. + * + * Both the network bundle and the manager bundle register an Endpoint Listener + * service. The manager informs the network bundle about End Points that it + * creates. The network bundles then uses a protocol like SLP to announce these + * local end-points to the network. + * + * If the network bundle discovers a new Endpoint through its discovery + * protocol, then it sends an End Point Description to all the End Point + * Listener services that are registered (except its own) that have specified an + * interest in that endpoint. + * + * Endpoint Listener services can express their <i>scope</i> with the service + * property {@link #ENDPOINT_LISTENER_SCOPE}. This service property is a list of + * filters. An Endpoint Description should only be given to a Endpoint Listener + * when there is at least one filter that matches the Endpoint Description + * properties. given to it. + * + * This filter model is quite flexible. For example, a discovery bundle is only + * interested in locally originating Endpoint Descriptions. The following filter + * ensure that it only sees local endpoints. + * + * <pre> + * (org.osgi.framework.uuid=72dc5fd9-5f8f-4f8f-9821-9ebb433a5b72) + * </pre> + * + * In the same vein, a manager that is only interested in remote Endpoint + * Descriptions can use a filter like: + * + * <pre> + * (!(org.osgi.framework.uuid=72dc5fd9-5f8f-4f8f-9821-9ebb433a5b72)) + * </pre> + * + * Where in both cases, the given UUID is the UUID of the local framework that + * can be found in the Framework properties. + * + * The Endpoint Listener's scope maps very well to the service hooks. A manager + * can just register all filters found from the Listener Hook as its scope. This + * will automatically provide it with all known endpoints that match the given + * scope, without having to inspect the filter string. + * + * In general, when an Endpoint Description is discovered, it should be + * dispatched to all registered Endpoint Listener services. If a new Endpoint + * Listener is registered, it should be informed about all currently known + * Endpoints that match its scope. If a getter of the Endpoint Listener service + * is unregistered, then all its registered Endpoint Description objects must be + * removed. + * + * The Endpoint Listener models a <i>best effort</i> approach. Participating + * bundles should do their utmost to keep the listeners up to date, but + * implementers should realize that many endpoints come through unreliable + * discovery processes. + * + * + * @ThreadSafe + * @version $Revision$ + */ +public interface EndpointListener { + /** + * Specifies the interest of this listener with filters. This listener is + * only interested in Endpoint Descriptions where its properties match the + * given filter. The type of this property must be <code>String+</code>. + */ + String ENDPOINT_LISTENER_SCOPE = "endpoint.listener.scope"; + + /** + * Register an endpoint with this listener. + * + * If the endpoint matches one of the filters registered with the + * {@link #ENDPOINT_LISTENER_SCOPE} service property then this filter should + * be given as the <code>matchedFilter</code> parameter. + * + * When this service is first registered or it is modified, it should + * receive all known endpoints matching the filter. + * + * @param endpoint The Endpoint Description to be published + * @param matchedFilter The filter from the {@link #ENDPOINT_LISTENER_SCOPE} + * that matched the endpoint, must not be <code>null</code>. + */ + void endpointAdded(EndpointDescription endpoint, String matchedFilter); + + /** + * Remove the registration of an endpoint. + * + * If an endpoint that was registered with the + * {@link #endpointAdded(EndpointDescription, String)} method is no longer + * available then this method should be called. This will remove the + * endpoint from the listener. + * + * It is not necessary to remove endpoints when the service is unregistered + * or modified in such a way that not all endpoints match the interest + * filter anymore. + * + * @param endpoint The Endpoint Description that is no longer valid. + * @param matchedFilter The filter from the {@link #ENDPOINT_LISTENER_SCOPE} + * that matched the endpoint, must not be <code>null</code>. + */ + void endpointRemoved(EndpointDescription endpoint, String matchedFilter); +} diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointPermission.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointPermission.java new file mode 100644 index 0000000000..0bfdcd334b --- /dev/null +++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/EndpointPermission.java @@ -0,0 +1,943 @@ +/* + * Copyright (c) OSGi Alliance (2000, 2009). All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.osgi.service.remoteserviceadmin; + +// TODO Hacked from ServiePermission + +import java.io.IOException; +import java.io.NotSerializableException; +import java.io.ObjectInputStream; +import java.io.ObjectOutputStream; +import java.io.ObjectStreamField; +import java.security.BasicPermission; +import java.security.Permission; +import java.security.PermissionCollection; +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.Dictionary; +import java.util.Enumeration; +import java.util.HashMap; +import java.util.Hashtable; +import java.util.Iterator; +import java.util.List; +import java.util.Map; + +import org.osgi.framework.Constants; +import org.osgi.framework.Filter; +import org.osgi.framework.FrameworkUtil; +import org.osgi.framework.InvalidSyntaxException; + +/** + * <pre> + * ------------------------------------------------------------- + * THIS CLASS IS A PLACEHOLDER (COPIED FROM SERVICE PERMISSION)! + * ------------------------------------------------------------- + * </pre> + * + * A bundle's authority to register or get a service. + * <ul> + * <li>The <code>register</code> action allows a bundle to register a service on + * the specified names. + * <li>The <code>get</code> action allows a bundle to detect a service and get + * it. + * </ul> + * Permission to get a service is required in order to detect events regarding + * the service. Untrusted bundles should not be able to detect the presence of + * certain services unless they have the appropriate + * <code>EndpointPermission</code> to get the specific service. + * + * @ThreadSafe + * @version $Revision$ + */ + +public final class EndpointPermission extends BasicPermission { + static final long serialVersionUID = -7662148639076511574L; + /** + * The action string <code>export</code>. + */ + public final static String EXPORT = "export"; + /** + * The action string <code>import</code>. + */ + public final static String IMPORT = "import"; + /** + * The action string <code>read</code>. + */ + public final static String READ = "read"; + + private final static int ACTION_EXPORT = 0x00000001; + private final static int ACTION_IMPORT = 0x00000002; + private final static int ACTION_READ = 0x00000004; + private final static int ACTION_ALL = ACTION_EXPORT + | ACTION_IMPORT + | ACTION_READ; + final static int ACTION_NONE = 0; + + /** + * The actions mask. + */ + transient int action_mask; + + /** + * The actions in canonical form. + * + * @serial + */ + private volatile String actions = null; + + /** + * The service used by this EndpointPermission. Must be null if not + * constructed with a service. + */ + transient final EndpointDescription endpoint; + + /** + * The object classes for this EndpointPermission. Must be null if not + * constructed with a service. + */ + transient final String[] objectClass; + + /** + * If this EndpointPermission was constructed with a filter, this holds a + * Filter matching object used to evaluate the filter in implies. + */ + transient Filter filter; + + /** + * This dictionary holds the properties of the permission, used to match a + * filter in implies. This is not initialized until necessary, and then + * cached in this object. + */ + private transient volatile Dictionary properties; + + /** + * True if constructed with a name and the name is "*" or ends with ".*". + */ + private transient boolean wildcard; + + /** + * If constructed with a name and the name ends with ".*", this contains the + * name without the final "*". + */ + private transient String prefix; + + /** + * Create a new EndpointPermission. + * + * <p> + * The name of the service is specified as a fully qualified class name. + * Wildcards may be used. + * + * <pre> + * name ::= <class name> | <class name ending in ".*"> | * + * </pre> + * + * Examples: + * + * <pre> + * org.osgi.service.http.HttpService + * org.osgi.service.http.* + * * + * </pre> + * + * For the <code>get</code> action, the name can also be a filter + * expression. The filter gives access to the service properties as well as + * the following attributes: + * <ul> + * <li>signer - A Distinguished Name chain used to sign the bundle + * publishing the service. Wildcards in a DN are not matched according to + * the filter string rules, but according to the rules defined for a DN + * chain.</li> + * <li>location - The location of the bundle publishing the service.</li> + * <li>id - The bundle ID of the bundle publishing the service.</li> + * <li>name - The symbolic name of the bundle publishing the service.</li> + * </ul> + * Since the above attribute names may conflict with service property names + * used by a service, you can prefix an attribute name with '@' in the + * filter expression to match against the service property and not one of + * the above attributes. Filter attribute names are processed in a case + * sensitive manner unless the attribute references a service property. + * Service properties names are case insensitive. + * + * <p> + * There are two possible actions: <code>get</code> and + * <code>register</code>. The <code>get</code> permission allows the owner + * of this permission to obtain a service with this name. The + * <code>register</code> permission allows the bundle to register a service + * under that name. + * + * @param name The service class name + * @param actions <code>get</code>,<code>register</code> (canonical order) + * @throws IllegalArgumentException If the specified name is a filter + * expression and either the specified action is not + * <code>get</code> or the filter has an invalid syntax. + */ + public EndpointPermission(String name, String actions) { + this(name, parseActions(actions)); + if ((filter != null) && ((action_mask & ACTION_ALL) != ACTION_EXPORT)) { + throw new IllegalArgumentException( + "invalid action string for filter expression"); + } + } + + /** + * Creates a new requested <code>EndpointPermission</code> object to be used + * by code that must perform <code>checkPermission</code> for the + * <code>get</code> action. <code>EndpointPermission</code> objects created + * with this constructor cannot be added to a + * <code>EndpointPermission</code> permission collection. + * + * @param endpoint The requested service. + * @param actions The action <code>get</code>. + * @throws IllegalArgumentException If the specified action is not + * <code>get</code> or reference is <code>null</code>. + * @since 1.5 + */ + public EndpointPermission(EndpointDescription endpoint, String actions) { + super(createName(endpoint)); + setTransients(null, parseActions(actions)); + this.endpoint = endpoint; + this.objectClass = (String[]) endpoint.getProperties().get( + Constants.OBJECTCLASS); + if ((action_mask & ACTION_ALL) != ACTION_EXPORT) { + throw new IllegalArgumentException("invalid action string"); + } + } + + /** + * Create a permission name from a EndpointDescription TODO Needs work + * + * @param endpoint EndpointDescription to use to create permission name. + * @return permission name. + */ + private static String createName(EndpointDescription endpoint) { + if (endpoint == null) { + throw new IllegalArgumentException("reference must not be null"); + } + StringBuffer sb = new StringBuffer("(service.id="); + // TODO sb.append(endpoint.getProperty(Constants.SERVICE_ID)); + sb.append(")"); + return sb.toString(); + } + + /** + * Package private constructor used by EndpointPermissionCollection. + * + * @param name class name + * @param mask action mask + */ + EndpointPermission(String name, int mask) { + super(name); + setTransients(parseFilter(name), mask); + this.endpoint = null; + this.objectClass = null; + } + + /** + * Called by constructors and when deserialized. + * + * @param mask action mask + */ + private void setTransients(Filter f, int mask) { + if ((mask == ACTION_NONE) || ((mask & ACTION_ALL) != mask)) { + throw new IllegalArgumentException("invalid action string"); + } + action_mask = mask; + filter = f; + if (f == null) { + String name = getName(); + int l = name.length(); + /* if "*" or endsWith ".*" */ + wildcard = ((name.charAt(l - 1) == '*') && ((l == 1) || (name + .charAt(l - 2) == '.'))); + if (wildcard && (l > 1)) { + prefix = name.substring(0, l - 1); + } + } + } + + /** + * Parse action string into action mask. + * + * @param actions Action string. + * @return action mask. + */ + private static int parseActions(String actions) { + boolean seencomma = false; + + int mask = ACTION_NONE; + + if (actions == null) { + return mask; + } + + char[] a = actions.toCharArray(); + + int i = a.length - 1; + if (i < 0) + return mask; + + while (i != -1) { + char c; + + // skip whitespace + while ((i != -1) + && ((c = a[i]) == ' ' || c == '\r' || c == '\n' + || c == '\f' || c == '\t')) + i--; + + // check for the known strings + int matchlen; + + if (i >= 2 && (a[i - 2] == 'g' || a[i - 2] == 'G') + && (a[i - 1] == 'e' || a[i - 1] == 'E') + && (a[i] == 't' || a[i] == 'T')) { + matchlen = 3; + mask |= ACTION_EXPORT; + + } + else + if (i >= 7 && (a[i - 7] == 'r' || a[i - 7] == 'R') + && (a[i - 6] == 'e' || a[i - 6] == 'E') + && (a[i - 5] == 'g' || a[i - 5] == 'G') + && (a[i - 4] == 'i' || a[i - 4] == 'I') + && (a[i - 3] == 's' || a[i - 3] == 'S') + && (a[i - 2] == 't' || a[i - 2] == 'T') + && (a[i - 1] == 'e' || a[i - 1] == 'E') + && (a[i] == 'r' || a[i] == 'R')) { + matchlen = 8; + mask |= ACTION_IMPORT; + + } + else { + // parse error + throw new IllegalArgumentException("invalid permission: " + + actions); + } + + // make sure we didn't just match the tail of a word + // like "ackbarfregister". Also, skip to the comma. + seencomma = false; + while (i >= matchlen && !seencomma) { + switch (a[i - matchlen]) { + case ',' : + seencomma = true; + /* FALLTHROUGH */ + case ' ' : + case '\r' : + case '\n' : + case '\f' : + case '\t' : + break; + default : + throw new IllegalArgumentException( + "invalid permission: " + actions); + } + i--; + } + + // point i at the location of the comma minus one (or -1). + i -= matchlen; + } + + if (seencomma) { + throw new IllegalArgumentException("invalid permission: " + actions); + } + + return mask; + } + + /** + * Parse filter string into a Filter object. + * + * @param filterString The filter string to parse. + * @return a Filter for this bundle. If the specified filterString is not a + * filter expression, then <code>null</code> is returned. + * @throws IllegalArgumentException If the filter syntax is invalid. + */ + private static Filter parseFilter(String filterString) { + filterString = filterString.trim(); + if (filterString.charAt(0) != '(') { + return null; + } + + try { + return FrameworkUtil.createFilter(filterString); + } + catch (InvalidSyntaxException e) { + IllegalArgumentException iae = new IllegalArgumentException( + "invalid filter"); + iae.initCause(e); + throw iae; + } + } + + /** + * Determines if a <code>EndpointPermission</code> object "implies" the + * specified permission. + * + * @param p The target permission to check. + * @return <code>true</code> if the specified permission is implied by this + * object; <code>false</code> otherwise. + */ + public boolean implies(Permission p) { + if (!(p instanceof EndpointPermission)) { + return false; + } + EndpointPermission requested = (EndpointPermission) p; + if (endpoint != null) { + return false; + } + // if requested permission has a filter, then it is an invalid argument + if (requested.filter != null) { + return false; + } + return implies0(requested, ACTION_NONE); + } + + /** + * Internal implies method. Used by the implies and the permission + * collection implies methods. + * + * @param requested The requested EndpointPermission which has already be + * validated as a proper argument. The requested EndpointPermission + * must not have a filter expression. + * @param effective The effective actions with which to start. + * @return <code>true</code> if the specified permission is implied by this + * object; <code>false</code> otherwise. + */ + boolean implies0(EndpointPermission requested, int effective) { + /* check actions first - much faster */ + effective |= action_mask; + final int desired = requested.action_mask; + if ((effective & desired) != desired) { + return false; + } + /* we have name of "*" */ + if (wildcard && (prefix == null)) { + return true; + } + /* if we have a filter */ + Filter f = filter; + if (f != null) { + return f.matchCase(requested.getProperties()); + } + /* if requested permission not created with EndpointDescription */ + String[] requestedNames = requested.objectClass; + if (requestedNames == null) { + return super.implies(requested); + } + /* requested permission created with EndpointDescription */ + if (wildcard) { + int pl = prefix.length(); + for (int i = 0, l = requestedNames.length; i < l; i++) { + String requestedName = requestedNames[i]; + if ((requestedName.length() > pl) + && requestedName.startsWith(prefix)) { + return true; + } + } + } + else { + String name = getName(); + for (int i = 0, l = requestedNames.length; i < l; i++) { + if (requestedNames[i].equals(name)) { + return true; + } + } + } + return false; + } + + /** + * Returns the canonical string representation of the actions. Always + * returns present actions in the following order: <code>get</code>, + * <code>register</code>. + * + * @return The canonical string representation of the actions. + */ + public String getActions() { + String result = actions; + if (result == null) { + StringBuffer sb = new StringBuffer(); + boolean comma = false; + + int mask = action_mask; + if ((mask & ACTION_EXPORT) == ACTION_EXPORT) { + sb.append(EXPORT); + comma = true; + } + + if ((mask & ACTION_IMPORT) == ACTION_IMPORT) { + if (comma) + sb.append(','); + sb.append(IMPORT); + } + + actions = result = sb.toString(); + } + + return result; + } + + /** + * Returns a new <code>PermissionCollection</code> object for storing + * <code>EndpointPermission<code> objects. + * + * @return A new <code>PermissionCollection</code> object suitable for + * storing <code>EndpointPermission</code> objects. + */ + public PermissionCollection newPermissionCollection() { + return new EndpointPermissionCollection(); + } + + /** + * Determines the equality of two EndpointPermission objects. + * + * Checks that specified object has the same class name and action as this + * <code>EndpointPermission</code>. + * + * @param obj The object to test for equality. + * @return true if obj is a <code>EndpointPermission</code>, and has the + * same class name and actions as this + * <code>EndpointPermission</code> object; <code>false</code> + * otherwise. + */ + public boolean equals(Object obj) { + if (obj == this) { + return true; + } + + if (!(obj instanceof EndpointPermission)) { + return false; + } + + EndpointPermission sp = (EndpointPermission) obj; + + return (action_mask == sp.action_mask) + && getName().equals(sp.getName()) + && ((endpoint == sp.endpoint) || ((endpoint != null) + && (sp.endpoint != null) && endpoint + .equals(sp.endpoint))); + } + + /** + * Returns the hash code value for this object. + * + * @return Hash code value for this object. + */ + public int hashCode() { + int h = 31 * 17 + getName().hashCode(); + h = 31 * h + getActions().hashCode(); + if (endpoint != null) { + h = 31 * h + endpoint.hashCode(); + } + return h; + } + + /** + * WriteObject is called to save the state of this permission to a stream. + * The actions are serialized, and the superclass takes care of the name. + */ + private synchronized void writeObject(java.io.ObjectOutputStream s) + throws IOException { + if (endpoint != null) { + throw new NotSerializableException("cannot serialize"); + } + // Write out the actions. The superclass takes care of the name + // call getActions to make sure actions field is initialized + if (actions == null) + getActions(); + s.defaultWriteObject(); + } + + /** + * readObject is called to restore the state of this permission from a + * stream. + */ + private synchronized void readObject(java.io.ObjectInputStream s) + throws IOException, ClassNotFoundException { + // Read in the action, then initialize the rest + s.defaultReadObject(); + setTransients(parseFilter(getName()), parseActions(actions)); + } + + /** + * Called by <code><@link EndpointPermission#implies(Permission)></code>. + * + * @return a dictionary of properties for this permission. + */ + private Dictionary/* <String,Object> */getProperties() { + Dictionary/* <String, Object> */result = properties; + if (result != null) { + return result; + } + if (endpoint == null) { + result = new Hashtable/* <String, Object> */(1); + if (filter == null) { + result.put(Constants.OBJECTCLASS, new String[] {getName()}); + } + return properties = result; + } + final Map props = new HashMap(4); + // TODO needs work + /* + * final Bundle bundle = endpoint.getBundle(); if (bundle != null) { + * AccessController.doPrivileged(new PrivilegedAction() { public Object + * run() { props.put("id", new Long(bundle.getBundleId())); + * props.put("location", bundle.getLocation()); String name = + * bundle.getSymbolicName(); if (name != null) { props.put("name", + * name); } SignerProperty signer = new SignerProperty(bundle); if + * (signer.isBundleSigned()) { props.put("signer", signer); } return + * null; } }); } + */ + return properties = new Properties(props, endpoint); + } + + private static class Properties extends Dictionary { + private final Map properties; + private final EndpointDescription service; + + Properties(Map properties, EndpointDescription service) { + this.properties = properties; + this.service = service; + } + + public Object get(Object k) { + if (!(k instanceof String)) { + return null; + } + String key = (String) k; + if (key.charAt(0) == '@') { + return service.getProperties().get(key.substring(1)); + } + Object value = properties.get(key); + if (value != null) { // fall back to service properties + return value; + } + return service.getProperties().get(key); + } + + public int size() { + return properties.size() + service.getProperties().size(); + } + + public boolean isEmpty() { + // we can return false because this must never be empty + return false; + } + + public Enumeration keys() { + Collection pk = properties.keySet(); + String spk[] = (String[]) service.getProperties().keySet().toArray( + new String[service.getProperties().size()]); + List all = new ArrayList(pk.size() + spk.length); + all.addAll(pk); + add: for (int i = 0, length = spk.length; i < length; i++) { + String key = spk[i]; + for (Iterator iter = pk.iterator(); iter.hasNext();) { + if (key.equalsIgnoreCase((String) iter.next())) { + continue add; + } + } + all.add(key); + } + return Collections.enumeration(all); + } + + public Enumeration elements() { + Collection pk = properties.keySet(); + String spk[] = (String[]) service.getProperties().keySet().toArray( + new String[service.getProperties().size()]); + List all = new ArrayList(pk.size() + spk.length); + all.addAll(properties.values()); + add: for (int i = 0, length = spk.length; i < length; i++) { + String key = spk[i]; + for (Iterator iter = pk.iterator(); iter.hasNext();) { + if (key.equalsIgnoreCase((String) iter.next())) { + continue add; + } + } + all.add(service.getProperties().get(key)); + } + return Collections.enumeration(all); + } + + public Object put(Object key, Object value) { + throw new UnsupportedOperationException(); + } + + public Object remove(Object key) { + throw new UnsupportedOperationException(); + } + } +} + +/** + * Stores a set of EndpointPermission permissions. + * + * @see java.security.Permission + * @see java.security.Permissions + * @see java.security.PermissionCollection + */ +final class EndpointPermissionCollection extends PermissionCollection { + static final long serialVersionUID = 662615640374640621L; + /** + * Table of permissions. + * + * @GuardedBy this + */ + private transient Map permissions; + + /** + * Boolean saying if "*" is in the collection. + * + * @serial + * @GuardedBy this + */ + private boolean all_allowed; + + /** + * Table of permissions with filter expressions. + * + * @serial + * @GuardedBy this + */ + private Map filterPermissions; + + /** + * Creates an empty EndpointPermissions object. + */ + public EndpointPermissionCollection() { + permissions = new HashMap(); + all_allowed = false; + } + + /** + * Adds a permission to this permission collection. + * + * @param permission The Permission object to add. + * @throws IllegalArgumentException If the specified permission is not a + * EndpointPermission object. + * @throws SecurityException If this + * <code>EndpointPermissionCollection</code> object has been marked + * read-only. + */ + public void add(final Permission permission) { + if (!(permission instanceof EndpointPermission)) { + throw new IllegalArgumentException("invalid permission: " + + permission); + } + if (isReadOnly()) { + throw new SecurityException("attempt to add a Permission to a " + + "readonly PermissionCollection"); + } + + final EndpointPermission sp = (EndpointPermission) permission; + if (sp.endpoint != null) { + throw new IllegalArgumentException("cannot add to collection: " + + sp); + } + + final String name = sp.getName(); + final Filter f = sp.filter; + synchronized (this) { + /* select the bucket for the permission */ + Map pc; + if (f != null) { + pc = filterPermissions; + if (pc == null) { + filterPermissions = pc = new HashMap(); + } + } + else { + pc = permissions; + } + final EndpointPermission existing = (EndpointPermission) pc + .get(name); + + if (existing != null) { + final int oldMask = existing.action_mask; + final int newMask = sp.action_mask; + if (oldMask != newMask) { + pc.put(name, + new EndpointPermission(name, oldMask | newMask)); + } + } + else { + pc.put(name, sp); + } + + if (!all_allowed) { + if (name.equals("*")) { + all_allowed = true; + } + } + } + } + + /** + * Determines if a set of permissions implies the permissions expressed in + * <code>permission</code>. + * + * @param permission The Permission object to compare. + * @return <code>true</code> if <code>permission</code> is a proper subset + * of a permission in the set; <code>false</code> otherwise. + */ + public boolean implies(final Permission permission) { + if (!(permission instanceof EndpointPermission)) { + return false; + } + final EndpointPermission requested = (EndpointPermission) permission; + /* if requested permission has a filter, then it is an invalid argument */ + if (requested.filter != null) { + return false; + } + + int effective = EndpointPermission.ACTION_NONE; + Collection perms; + synchronized (this) { + final int desired = requested.action_mask; + /* short circuit if the "*" Permission was added */ + if (all_allowed) { + EndpointPermission sp = (EndpointPermission) permissions + .get("*"); + if (sp != null) { + effective |= sp.action_mask; + if ((effective & desired) == desired) { + return true; + } + } + } + + String[] requestedNames = requested.objectClass; + /* if requested permission not created with EndpointDescription */ + if (requestedNames == null) { + effective |= effective(requested.getName(), desired, effective); + if ((effective & desired) == desired) { + return true; + } + } + /* requested permission created with EndpointDescription */ + else { + for (int i = 0, l = requestedNames.length; i < l; i++) { + if ((effective(requestedNames[i], desired, effective) & desired) == desired) { + return true; + } + } + } + Map pc = filterPermissions; + if (pc == null) { + return false; + } + perms = pc.values(); + } + + /* iterate one by one over filteredPermissions */ + for (Iterator iter = perms.iterator(); iter.hasNext();) { + if (((EndpointPermission) iter.next()).implies0(requested, + effective)) { + return true; + } + } + return false; + } + + /** + * Consult permissions map to compute the effective permission for the + * requested permission name. + * + * @param requestedName The requested service name. + * @param desired The desired actions. + * @param effective The effective actions. + * @return The new effective actions. + */ + private int effective(String requestedName, final int desired, int effective) { + final Map pc = permissions; + EndpointPermission sp = (EndpointPermission) pc.get(requestedName); + // strategy: + // Check for full match first. Then work our way up the + // name looking for matches on a.b.* + if (sp != null) { + // we have a direct hit! + effective |= sp.action_mask; + if ((effective & desired) == desired) { + return effective; + } + } + // work our way up the tree... + int last; + int offset = requestedName.length() - 1; + while ((last = requestedName.lastIndexOf(".", offset)) != -1) { + requestedName = requestedName.substring(0, last + 1) + "*"; + sp = (EndpointPermission) pc.get(requestedName); + if (sp != null) { + effective |= sp.action_mask; + if ((effective & desired) == desired) { + return effective; + } + } + offset = last - 1; + } + /* + * we don't have to check for "*" as it was already checked before we + * were called. + */ + return effective; + } + + /** + * Returns an enumeration of all the <code>EndpointPermission</code> objects + * in the container. + * + * @return Enumeration of all the EndpointPermission objects. + */ + public synchronized Enumeration elements() { + List all = new ArrayList(permissions.values()); + Map pc = filterPermissions; + if (pc != null) { + all.addAll(pc.values()); + } + return Collections.enumeration(all); + } + + /* serialization logic */ + private static final ObjectStreamField[] serialPersistentFields = { + new ObjectStreamField("permissions", Hashtable.class), + new ObjectStreamField("all_allowed", Boolean.TYPE), + new ObjectStreamField("filterPermissions", HashMap.class) }; + + private synchronized void writeObject(ObjectOutputStream out) + throws IOException { + Hashtable hashtable = new Hashtable(permissions); + ObjectOutputStream.PutField pfields = out.putFields(); + pfields.put("permissions", hashtable); + pfields.put("all_allowed", all_allowed); + pfields.put("filterPermissions", filterPermissions); + out.writeFields(); + } + + private synchronized void readObject(java.io.ObjectInputStream in) + throws IOException, ClassNotFoundException { + ObjectInputStream.GetField gfields = in.readFields(); + Hashtable hashtable = (Hashtable) gfields.get("permissions", null); + permissions = new HashMap(hashtable); + all_allowed = gfields.get("all_allowed", false); + filterPermissions = (HashMap) gfields.get("filterPermissions", null); + } +} diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ExportReference.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ExportReference.java new file mode 100644 index 0000000000..03b3235c59 --- /dev/null +++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ExportReference.java @@ -0,0 +1,45 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.osgi.service.remoteserviceadmin; + +import org.osgi.framework.ServiceReference; + +/** + * An Export Reference associates a service with a local endpoint. + * + * The Export Reference can be used to reference an exported service. When the + * service is no longer exported, all methods must return <code>null</code>; + * + * @ThreadSafe + * @version $Revision$ + */ +public interface ExportReference { + /** + * Return the service being exported. + * + * @return The service being exported, must be <code>null</code> when this + * registration is unregistered. + */ + ServiceReference getExportedService(); + + /** + * Return the Endpoint Description that is created for this registration. + * + * @return the local Endpoint Description + */ + EndpointDescription getExportedEndpoint(); +} diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ExportRegistration.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ExportRegistration.java new file mode 100644 index 0000000000..e8c6c66cbf --- /dev/null +++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ExportRegistration.java @@ -0,0 +1,71 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.osgi.service.remoteserviceadmin; + +import org.osgi.framework.ServiceReference; + +/** + * An Export Registration associates a service to a local endpoint. + * + * The Export Registration can be used to delete the endpoint associated with an + * this registration. It is created with the + * {@link RemoteServiceAdmin#exportService(ServiceReference,java.util.Map)} + * method. + * + * When this Export Registration has been unregistered, the methods must all + * return <code>null</code>. + * + * @ThreadSafe + * @version $Revision$ + */ +public interface ExportRegistration { + /** + * Return the Export Reference for the exported service. + * + * @return An Export Reference for this registration + * @throws IllegalStateException Thrown when this object was not properly + * initialized, see {@link #getException()} + */ + ExportReference getExportReference(); + + /** + * Delete the local endpoint and disconnect any remote distribution + * providers. After this method returns, all the methods must return + * <code>null</code>. + * + * This method has no effect when the endpoint is already destroyed or being + * destroyed. + */ + void close(); + + /** + * Exception for any error during the import process. + * + * If the Remote Admin for some reasons is unable to create a registration, + * then it must return a <code>Throwable</code> from this method. In this + * case, all other methods must return on this interface must throw an + * Illegal State Exception. If no error occurred, this method must return + * <code>null</code>. + * + * The error must be set before this Import Registration is returned. + * Asynchronously occurring errors must be reported to the log. + * + * @return The exception that occurred during the creation of the + * registration or <code>null</code> if no exception occurred. + */ + Throwable getException(); +} diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ImportReference.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ImportReference.java new file mode 100644 index 0000000000..5fa5673341 --- /dev/null +++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ImportReference.java @@ -0,0 +1,44 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.osgi.service.remoteserviceadmin; + +import org.osgi.framework.ServiceReference; + +/** + * An Import Reference associates an active proxy service to a remote endpoint. + * + * The Import Reference can be used to reference an imported service. When the + * service is no longer imported, all methods must return <code>null</code>; + * + * @ThreadSafe + * @version $Revision$ + */ +public interface ImportReference { + /** + * Answer the associated Service Reference for the proxy to the endpoint. + * + * @return A Service Reference to the proxy for the endpoint. + */ + ServiceReference getImportedService(); + + /** + * Answer the associated remote Endpoint Description. + * + * @return A Endpoint Description for the remote endpoint. + */ + EndpointDescription getImportedEndpoint(); +} diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ImportRegistration.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ImportRegistration.java new file mode 100644 index 0000000000..1fc1c6f6ba --- /dev/null +++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/ImportRegistration.java @@ -0,0 +1,67 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.osgi.service.remoteserviceadmin; + +/** + * An Import Registration associates an active proxy service to a remote + * endpoint. + * + * The Import Registration can be used to delete the proxy associated with an + * endpoint. It is created with the{@link RemoteServiceAdmin#importService} + * method. + * + * @ThreadSafe + * @version $Revision$ + */ +public interface ImportRegistration { + /** + * Answer the associated Export Reference. + * + * @return An Import Reference for this registration + * @throws IllegalStateException Thrown when this object was not properly + * initialized, see {@link #getException()} + */ + ImportReference getImportReference(); + + /** + * Unregister this Import Registration. This must close the connection to + * the end endpoint unregister the proxy. After this method returns, all + * other methods must return null. + * + * This method has no effect when the service is already unregistered or in + * the process off. + */ + void close(); + + /** + * Exception for any error during the import process. + * + * If the Remote Admin for some reasons is unable to create a registration, + * then it must return a <code>Throwable</code> from this method. In this + * case, all other methods must return on this interface must thrown an + * Illegal State Exception. If no error occurred, this method must return + * <code>null</code>. + * + * The error must be set before this Import Registration is returned. + * Asynchronously occurring errors must be reported to the log. + * + * @return The exception that occurred during the creation of the + * registration or <code>null</code> if no exception occurred. + */ + Throwable getException(); + +} diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteConstants.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteConstants.java new file mode 100644 index 0000000000..a44c03ea0e --- /dev/null +++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteConstants.java @@ -0,0 +1,216 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.osgi.service.remoteserviceadmin; + +/** + * Provide the definition of the constants used in the Remote Services API. + * + * @Immutable + * @version $Revision$ + */ +public class RemoteConstants { + private RemoteConstants() { + } + + /** + * Service property identifying the configuration types supported by a + * distribution provider. Registered by the distribution provider on one of + * its services to indicate the supported configuration types. + * + * <p> + * The value of this property must be of type <code>String</code>, + * <code>String[]</code>, or <code>Collection</code> of <code>String</code>. + */ + public static final String REMOTE_CONFIGS_SUPPORTED = "remote.configs.supported"; + + /** + * Service property identifying the intents supported by a distribution + * provider. Registered by the distribution provider on one of its services + * to indicate the vocabulary of implemented intents. + * + * <p> + * The value of this property must be of type <code>String</code>, + * <code>String[]</code>, or <code>Collection</code> of <code>String</code>. + */ + public static final String REMOTE_INTENTS_SUPPORTED = "remote.intents.supported"; + + /** + * Service property identifying the configuration types that should be used + * to export the service. Each configuration type represents the + * configuration parameters for an endpoint. A distribution provider should + * create an endpoint for each configuration type that it supports. + * + * <p> + * This property may be supplied in the <code>properties</code> + * <code>Dictionary</code> object passed to the + * <code>BundleContext.registerService</code> method. The value of this + * property must be of type <code>String</code>, <code>String[]</code>, or + * <code>Collection</code> of <code>String</code>. + */ + public static final String SERVICE_EXPORTED_CONFIGS = "service.exported.configs"; + + /** + * Service property identifying the intents that the distribution provider + * must implement to distribute the service. Intents listed in this property + * are reserved for intents that are critical for the code to function + * correctly, for example, ordering of messages. These intents should not be + * configurable. + * + * <p> + * This property may be supplied in the <code>properties</code> + * <code>Dictionary</code> object passed to the + * <code>BundleContext.registerService</code> method. The value of this + * property must be of type <code>String</code>, <code>String[]</code>, or + * <code>Collection</code> of <code>String</code>. + */ + public static final String SERVICE_EXPORTED_INTENTS = "service.exported.intents"; + + /** + * Service property identifying the extra intents that the distribution + * provider must implement to distribute the service. This property is + * merged with the <code>service.exported.intents</code> property before the + * distribution provider interprets the listed intents; it has therefore the + * same semantics but the property should be configurable so the + * administrator can choose the intents based on the topology. Bundles + * should therefore make this property configurable, for example through the + * Configuration Admin service. + * + * <p> + * This property may be supplied in the <code>properties</code> + * <code>Dictionary</code> object passed to the + * <code>BundleContext.registerService</code> method. The value of this + * property must be of type <code>String</code>, <code>String[]</code>, or + * <code>Collection</code> of <code>String</code>. + */ + public static final String SERVICE_EXPORTED_INTENTS_EXTRA = "service.exported.intents.extra"; + + /** + * Service property marking the service for export. It defines the + * interfaces under which this service can be exported. This list must be a + * subset of the types under which the service was registered. The single + * value of an asterisk ("*", \u002A) indicates all the + * interface types under which the service was registered excluding the + * non-interface types. It is strongly recommended to only export interface + * types and not concrete classes due to the complexity of creating proxies + * for some type of concrete classes. + * + * <p> + * This property may be supplied in the <code>properties</code> + * <code>Dictionary</code> object passed to the + * <code>BundleContext.registerService</code> method. The value of this + * property must be of type <code>String</code>, <code>String[]</code>, or + * <code>Collection</code> of <code>String</code>. + */ + public static final String SERVICE_EXPORTED_INTERFACES = "service.exported.interfaces"; + + /** + * Service property identifying the service as imported. This service + * property must be set by a distribution provider to any value when it + * registers the endpoint proxy as an imported service. A bundle can use + * this property to filter out imported services. + * + * <p> + * The value of this property may be of any type. + */ + public static final String SERVICE_IMPORTED = "service.imported"; + + /** + * Service property identifying the configuration types used to import the + * service. Any associated properties for this configuration types must be + * properly mapped to the importing system. For example, a URL in these + * properties must point to a valid resource when used in the importing + * framework. If multiple configuration types are listed in this property, + * then they must be synonyms for exactly the same remote endpoint that is + * used to export this service. + * + * <p> + * The value of this property must be of type <code>String</code>, + * <code>String[]</code>, or <code>Collection</code> of <code>String</code>. + * + * @see #SERVICE_EXPORTED_CONFIGS + */ + public static final String SERVICE_IMPORTED_CONFIGS = "service.imported.configs"; + + /** + * Service property identifying the intents that this service implement. + * This property has a dual purpose: + * <ul> + * <li>A bundle can use this service property to notify the distribution + * provider that these intents are already implemented by the exported + * service object.</li> + * <li>A distribution provider must use this property to convey the combined + * intents of:</li> + * <ul> + * <li>The exporting service, and</li> + * <li>the intents that the exporting distribution provider adds, and</li> + * <li>the intents that the importing distribution provider adds.</li> + * </ul> + * <i></i> + * + * </ul> To export a service, a distribution provider must expand any + * qualified intents. Both the exporting and importing distribution + * providers must recognize all intents before a service can be distributed. + * + * <p> + * The value of this property must be of type <code>String</code>, + * <code>String[]</code>, or <code>Collection</code> of <code>String</code>. + */ + public static final String SERVICE_INTENTS = "service.intents"; + + /* above are from Ch 13 Remote Service spec. */ + + /** + * Endpoint property identifying the URI for this endpoint. This service + * property must always be set. + * + * <p> + * The value of this property must be of type <code>String</code>. + */ + public final static String ENDPOINT_URI = "endpoint.uri"; + + /** + * Endpoint property identifying the service id of the exported service. Can + * be absent or 0 if the corresponding endpoint is not for an OSGi service. + * + * <p> + * The value of this property must be of type <code>Long</code>. + */ + public final static String ENDPOINT_ID = "endpoint.id"; + + /** + * Endpoint property identifying the universally unique id of the exporting + * framework. Can be absent if the corresponding endpoint is not for an OSGi + * service. + * + * <p> + * The value of this property must be of type <code>String</code>. + */ + public final static String ENDPOINT_FRAMEWORK_UUID = "endpoint.framework.uuid"; + + /** + * Prefix for an endpoint property identifying the interface Java package + * version for an interface For example, the property + * endpoint.interface.version.com.acme.Foo=1.3 describes the version for the + * com.acme.Foo interface. This endpoint property for an interface does not + * have to be set. If not set, the value must be assumed to be 0. + * + * <p> + * The value of this property must be of type <code>String</code>. + */ + public final static String ENDPOINT_INTERACE_VERSION_ = "endpoint.interface.version."; + +} diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdmin.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdmin.java new file mode 100644 index 0000000000..0b436c361a --- /dev/null +++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdmin.java @@ -0,0 +1,129 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.osgi.service.remoteserviceadmin; + +import java.util.Collection; +import java.util.Map; + +import org.osgi.framework.ServiceReference; + +/** + * A Remote Service Admin manages the import and export of services. + * + * A Distribution Provider can expose a control interface. This interface allows + * the a remote manager to control the export and import of services. + * + * The API allows a remote manager to export a service, to import a service, and + * find out about the current imports and exports. + * + * @ThreadSafe + * @version $Revision$ + */ +public interface RemoteServiceAdmin { + + /** + * Export a service to a given endpoint. The Remote Service Admin must + * create an endpoint from the given description that can be used by other + * Distrbution Providers to connect to this Remote Service Admin and use the + * exported service. This method can return null if the service could not be + * exported because the endpoint could not be implemented by this Remote + * Service Admin. + * + * TODO Peter to update for case insensitive properties + * + * The properties on a Service Reference are case insensitive while the + * properties on a <code>properties</code> are case sensitive. A value in + * the <code>properties</code> must therefore override any case variant in + * the properties of the Service Reference. + * + * <p> + * If the caller does not have the appropriate + * <code>EndpointPermission[endpoint,EXPORT]</code> for an endpoint, and the + * Java Runtime Environment supports permissions, then the + * {@link ExportRegistration#getException() getException} method on the + * corresponding returned {@link ExportRegistration} will return a + * <code>SecurityException</code>. + * + * @param reference The Service Reference to export. + * @param properties The properties to create a local endpoint that can be + * implemented by this Remote Service Admin. If this is null, the + * endpoint will be determined by the properties on the service. The + * properties are the same as given for an exported service. They are + * overlaid over any properties the service defines (case + * insensitive). This parameter can be <code>null</code>, this should + * be treated as an empty map. + * + * TODO Peter The return description does not mesh with returning a + * list! Why a list and not just one? + * @return An Export Registration that combines the Endpoint Description and + * the Service Reference or <code>null</code> if the service could + * not be exported. + * @throws IllegalArgumentException If any of the properties has a value + * that is not syntactically correct or if the service properties + * and the overlaid properties do not contain a + * {@link RemoteConstants#SERVICE_EXPORTED_INTERFACES} entry. + * @throws UnsupportedOperationException If any of the intents expressed + * through the properties is not supported by the distribution + * provider. + */ + Collection<ExportRegistration> exportService(ServiceReference reference, + Map<String, Object> properties); + + /** + * Import a service from an endpoint. The Remote Service Admin must use the + * given endpoint to create a proxy. This method can return null if the + * service could not be imported. + * + * @param endpoint The Endpoint Description to be used for import. + * @return An Import Registration that combines the Endpoint Description and + * the Service Reference or <code>null</code> if the endpoint could + * not be imported. + * @throws SecurityException If the caller does not have the appropriate + * <code>EndpointPermission[endpoint,IMPORT]</code> for the + * endpoint, and the Java Runtime Environment supports permissions. + */ + ImportRegistration importService(EndpointDescription endpoint); + + /** + * Return the currently active Export References. + * + * <p> + * If the caller does not have the appropriate + * <code>EndpointPermission[endpoint,READ]</code> for an endpoint, and the + * Java Runtime Environment supports permissions, then returned collection + * will not contain a reference to the exported endpoint. + * + * @return A <code>Collection</code> of {@link ExportReference}s that are + * currently active. + */ + Collection<ExportReference> getExportedServices(); + + /** + * Return the currently active Import References. + * + * <p> + * If the caller does not have the appropriate + * <code>EndpointPermission[endpoint,READ]</code> for an endpoint, and the + * Java Runtime Environment supports permissions, then returned collection + * will not contain a reference to the imported endpoint. + * + * @return A <code>Collection</code> of {@link ImportReference}s that are + * currently active. + */ + Collection<ImportReference> getImportedEndpoints(); + +} diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdminEvent.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdminEvent.java new file mode 100644 index 0000000000..8f4ac717c8 --- /dev/null +++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdminEvent.java @@ -0,0 +1,178 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.osgi.service.remoteserviceadmin; + +import org.osgi.framework.Bundle; + +/** + * Provides the event information for a Remote Admin event. + * + * @Immutable + * @version $Revision$ + */ +public class RemoteServiceAdminEvent { + /** + * Add an import registration. The Remote Services Admin will call this + * method when it imports a service. When this service is registered, the + * Remote Service Admin must notify the listener of all existing Import + * Registrations. + * + */ + public static final int IMPORT_REGISTRATION = 1; + + /** + * Add an export registration. The Remote Services Admin will call this + * method when it exports a service. When this service is registered, the + * Remote Service Admin must notify the listener of all existing Export + * Registrations. + */ + public static final int EXPORT_REGISTRATION = 2; + + /** + * Remove an export registration. The Remote Services Admin will call this + * method when it removes the export of a service. + * + */ + public static final int EXPORT_UNREGISTRATION = 3; + + /** + * Remove an import registration. The Remote Services Admin will call this + * method when it removes the import of a service. + * + */ + public static final int IMPORT_UNREGISTRATION = 4; + + /** + * A fatal importing error occurred. The Import Registration has been + * closed. + */ + public static final int IMPORT_ERROR = 5; + + /** + * A fatal exporting error occurred. The Export Registration has been + * closed. + */ + public static final int EXPORT_ERROR = 6; + + /** + * A problematic situation occurred, the export is still active. + */ + public static final int EXPORT_WARNING = 7; + /** + * A problematic situation occurred, the import is still active. + */ + public static final int IMPORT_WARNING = 8; + + private final ImportReference importReference; + private final ExportReference exportReference; + private final Throwable exception; + private final int type; + private final Bundle source; + + /** + * Private constructor. + * + * @param type The event type + * @param source The source bundle, must not be <code>null</code>. + * @param importReference The importReference, can be <code>null</code>. + * @param exportReference The exportReference, can be <code>null</code>. + * @param exception Any exceptions encountered, can be <code>null</code> + */ + private RemoteServiceAdminEvent(int type, Bundle source, + ImportReference importReference, ExportReference exportReference, + Throwable exception) { + if (source == null) { + throw new NullPointerException("source must not be null"); + } + this.type = type; + this.source = source; + this.importReference = importReference; + this.exportReference = exportReference; + this.exception = exception; + } + + /** + * Create a Remote Service Admin Event for an export notification. + * + * @param type The event type. + * @param source The source bundle, must not be <code>null</code>. + * @param exportReference The exportReference, can not be <code>null</code>. + * @param exception Any exceptions encountered, can be <code>null</code>. + */ + public RemoteServiceAdminEvent(int type, Bundle source, + ExportReference exportReference, Throwable exception) { + this(type, source, null, exportReference, exception); + } + + /** + * Create a Remote Service Admin Event for an import notification. + * + * @param type The event type. + * @param source The source bundle, must not be <code>null</code>. + * @param importReference The importReference, can not be <code>null</code>. + * @param exception Any exceptions encountered, can be <code>null</code>. + */ + public RemoteServiceAdminEvent(int type, Bundle source, + ImportReference importReference, Throwable exception) { + this(type, source, importReference, null, exception); + } + + /** + * Return the Import Reference for this event. + * + * @return The Import Reference or <code>null</code>. + */ + public ImportReference getImportReference() { + return importReference; + } + + /** + * Return the Export Reference for this event. + * + * @return The Export Reference or <code>null</code>. + */ + public ExportReference getExportReference() { + return exportReference; + } + + /** + * Return the exception for this event. + * + * @return The exception or <code>null</code>. + */ + public Throwable getException() { + return exception; + } + + /** + * Return the type of this event. + * + * @return The type of this event. + */ + public int getType() { + return type; + } + + /** + * Return the bundle source of this event. + * + * @return The bundle source of this event. + */ + public Bundle getSource() { + return source; + } +} diff --git a/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdminListener.java b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdminListener.java new file mode 100644 index 0000000000..0030b870c7 --- /dev/null +++ b/sca-java-2.x/trunk/modules/node-impl-osgi/src/main/java/org/osgi/service/remoteserviceadmin/RemoteServiceAdminListener.java @@ -0,0 +1,44 @@ +/* + * Copyright (c) OSGi Alliance (2009). All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.osgi.service.remoteserviceadmin; + +/** + * A {@link RemoteServiceAdminEvent} listener is notified asynchronously of any + * export or import registrations and unregistrations. + * + * <p> + * If the Java Runtime Environment supports permissions, then filtering is done. + * <code>RemoteServiceAdminEvent</code> objects are only delivered to the + * listener if the bundle which defines the listener object's class has the + * appropriate <code>EndpointPermission[endpoint,READ]</code> for the endpoint + * referenced by the event. + * + * + * @see RemoteServiceAdminEvent + * @ThreadSafe + * @version $Revision$ + */ + +public interface RemoteServiceAdminListener { + /** + * Receive notification of any export or import registrations and + * unregistrations. + * + * @param event The {@link RemoteServiceAdminEvent} object. + */ + void remoteAdminEvent(RemoteServiceAdminEvent event); +} |